After La Panthère des neiges (The Snow Leopard), Vincent Munier invites us into the heart of the Vosges forests. It was here that he learned everything from his father Michel, a naturalist who spent his life observing wildlife in the woods. Now it is time for them to pass on this knowledge to Simon, Vincent's son. Three perspectives, three generations, a shared fascination with wildlife. With them, we will discover deer, rare birds, foxes, and lynxes... and sometimes, the flapping wings of a legendary animal: the capercaillie.